<template>
  <div id="app">
    <!-- <el-button type='primary' @click="fn">123</el-button> -->
    <router-view></router-view>
  </div>
</template>
<script>
export default {
  created() {
    //在页面加载时读取sessionStorage里的状态信息
    if (sessionStorage.getItem("storedata")) {
      this.$store.replaceState(
        Object.assign(
          {},
          this.$store.state,
          JSON.parse(sessionStorage.getItem("storedata"))
        )
      );
    }
    //在页面刷新时将vuex里的信息保存到sessionStorage里
    window.addEventListener("beforeunload", () => {
      sessionStorage.setItem("storedata", JSON.stringify(this.$store.state));
    });
    // 兼容iphone手机
    window.addEventListener("pagehide", () => {
      sessionStorage.setItem("storedata", JSON.stringify(this.$store.state));
    });
  },
  mounted() {

  },
  methods: {
    fn() {
      this.video.muted = false;
    },
  },
};
</script>
<style lang='scss'>
</style>
